1. CHU Toulouse, Hôpital Purpan, Virology Laboratory, Toulouse, France
2. INSERM UMR1291—CNRS UMR5051, Toulouse Institute for Infectious and Inflammatory Diseases (INFINITy), Toulouse, France
3. Occupational Diseases Department, Toulouse-Purpan University Hospital, Toulouse, France
4. Infectious and Tropical Diseases Department, Toulouse University Hospital, Toulouse, France